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Acids, Bases and Salts

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Multiple Choice

Which of the following statements is/are false?

a. An alkali turns red litmus to blue.
b. Methyl orange indicator gives yellow colour in basic solution.
c. Phenolphthalein is pink in colour in an acid solution.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
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